汽车出租系统（Java课设）

import java.util.ArrayList; import java.util.Iterator; import java.util.List; import java.util.Scanner; /** * 管理类 */ public class AdminManage { //存储汽车信息 static List<Car> carlist = new ArrayList<>(); //存储客户信息 static List<User> userList = new ArrayList<>(); public static Scanner scanner = new Scanner(System.in); //查询 public static void selectCar() { if (carlist.size()>0){ System.out.println("---------------------------------查询结果如下所示---------------------------------"); for (Car car : carlist) { System.out.println(car.toString()); } }else { System.out.println("没有任何的数据信息！"); } UserManage.carMenu(); } //查询 public static void selectCarZ() { if (carlist.size()>0){ System.out.println("---------------------------------查询结果如下所示---------------------------------"); for (Car car : carlist) { System.out.println(car.toString()); } }else { System.out.println("没有任何的数据信息！"); } UserManage.zhMenu(); } //添加 public static void addCar(){ System.out.println("请输入编号"); String id=scanner.next(); System.out.println("请输入品牌"); String brand=scanner.next(); System.out.println("请输入颜色"); String color=scanner.next(); System.out.println("请输入价格"); String price=scanner.next(); System.out.println("请输入是否被租用"); String status=scanner.next(); Car car = new Car(id, brand, color, price, status); carlist.add(car); System.out.println("添加成功！"); UserManage.carMenu(); } //修改 public static void updateCar(){ System.out.println("请输入你要更新的汽车信息的编号"); String id=scanner.next(); System.out.println("请输入修改后的品牌"); String brand=scanner.next(); System.out.println("请输入修改后的颜色"); String color=scanner.next(); System.out.println("请输入修改后的价格"); String price=scanner.next(); System.out.println("请输入修改后的是否被租用"); String status=scanner.next(); Car car = new Car(id, brand, color, price, status); //获取迭代器用于遍历集合 Iterator<Car> iterator = carlist.iterator(); //如果集合不为空，遍历集合 while (iterator.hasNext()){ //如果id相同就移除 if (iterator.next().getId().equals(id)){ iterator.remove(); } } //把修改后的新对象加到集合 carlist.add(car); System.out.println("修改成功！"); UserManage.carMenu(); } //删除 public static void deleteCar(){ System.out.println("请输入删除的汽车信息的编号"); String id = scanner.next(); //获取迭代器用于遍历集合 Iterator<Car> iterator = carlist.iterator(); //如果集合不为空，遍历集合 while (iterator.hasNext()){ //如果id相同就移除 if (iterator.next().getId().equals(id)){ iterator.remove(); } } System.out.println("删除成功！"); UserManage.carMenu(); } //查询 public static void selectUser() { if (userList.size()>0){ System.out.println("---------------------------------查询结果如下所示---------------------------------"); for (User user : userList) { System.out.println(user.toString()); } }else { System.out.println("没有任何的数据信息！"); } UserManage.userMenu(); } //添加 public static void addUser(){ System.out.println("请输入编号"); String id=scanner.next(); System.out.println("请输入姓名"); String name=scanner.next(); System.out.println("请输入年龄"); String age=scanner.next(); System.out.println("请输入性别"); String sex=scanner.next(); System.out.println("请输入信誉状态"); String xy=scanner.next(); User user = new User(id, name, age, sex, xy); userList.add(user); System.out.println("添加成功！"); UserManage.userMenu(); } //修改 public static void updateUser(){ System.out.println("请输入你要更新的客户信息的编号"); String id=scanner.next(); System.out.println("请输入修改后的姓名"); String name=scanner.next(); System.out.println("请输入修改后的年龄"); String age=scanner.next(); System.out.println("请输入修改后的性别"); String sex=scanner.next(); System.out.println("请输入修改后的信誉状态"); String xy=scanner.next(); User user = new User(id, name, age, sex, xy); //获取迭代器用于遍历集合 Iterator<User> iterator = userList.iterator(); //如果集合不为空，遍历集合 while (iterator.hasNext()){ //如果id相同就移除 if (iterator.next().getId().equals(id)){ iterator.remove(); } } //把修改后的新对象加到集合 userList.add(user); System.out.println("修改成功！"); UserManage.userMenu(); } //删除 public static void deleteUser(){ System.out.println("请输入删除的客户信息的编号"); String id = scanner.next(); //获取迭代器用于遍历集合 Iterator<User> iterator = userList.iterator(); //如果集合不为空，遍历集合 while (iterator.hasNext()){ //如果id相同就移除 if (iterator.next().getId().equals(id)){ iterator.remove(); } } System.out.println("删除成功！"); UserManage.userMenu(); } //出租 public static void borrow() { System.out.println("请输入出租的汽车信息的编号"); String id = scanner.next(); for (Car car : carlist) { if (car.getId().equals(id)){ if (car.getStatus().equals("是")){ System.out.println("这辆车已经被租走了，请换一辆！"); }else { car.setStatus("是"); System.out.println("租车成功！"); } } } UserManage.zhMenu(); } //还车 public static void reuturn() { System.out.println("请输入归还的汽车信息的编号"); String id = scanner.next(); for (Car car : carlist) { if (car.getId().equals(id)){ if (car.getStatus().equals("是")){ car.setStatus("否"); System.out.println("还车成功！"); }else { System.out.println("还车失败！"); } } } UserManage.zhMenu(); } }